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AAEON AEC-6635 User Manual

Page 48

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E m b e d d e d C o n t r o l l e r

A E C - 6 6 3 5

Appendix A Programming the Watchdog Timer A-7

call Superio_Set_Reg

; game port enable

mov cl, 9

call Set_Logic_Device

Initial_OK:

CALL Exit_Configuration_mode

MOV AH,4Ch

INT 21h

Enter_Configuration_Mode PROC NEAR

MOV SI,WORD PTR CS:[Offset Cfg_Port]

MOV DX,02Eh

MOV CX,04h

Init_1:

MOV AL,BYTE PTR CS:[SI]

OUT DX,AL

INC SI

LOOP Init_1

RET

Enter_Configuration_Mode ENDP

Exit_Configuration_Mode PROC NEAR

MOV AX,0202h